Table 2.2 Within-Bullet Variability Measurements From ICP-OES
1.9
14–61
4.4
35–208
2.1
54–470
NA
1.9
2360–6650
NA
RSD, %
Range, ppm
Winchester
1.8
21–118
3.4
67–365
1.5
62–962
NA
1.5
5670–9620
NA
RSD, %
Range, ppm
Remington
2.3
14–19
6.7
30–91
1.5
233–329
2.5
1100–2880
1.5
25,700–29,000
3.7
1127–1645
RSD, %
Range, ppm
Federal
1.9
18–69
3.8
56–180
1.7
97–381
NA
1.7
23,800–29,900
NA
RSD, %
Range, ppm
CCI
Ag
Bi
Cu
Sn
Sb
As
Variability
Brand
Source:
Peele et al., 1991. Ten bullets of each brand analyzed in triplicate; RSDs
are means of the ten RSDs.
Within-bullet variabilities are only a few percent